后端代码

src/后端/src/main/java/com/softegg/freetogo/HeatMap/bean/HeatMap.java

@@ -0,0 +1,47 @@
+package com.softegg.freetogo.HeatMap.bean;
+
+
+
+public class HeatMap {
+    // 定义字段
+    private String name; // 省的名称
+    private int data; // 省中的一些数据（示例中使用int，可以根据需求修改为其他类型）
+
+    // 构造方法
+    public HeatMap(String name, int data) {
+        this.name = name;
+        this.data = data;
+    }
+
+    // Getter和Setter方法
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public int getData() {
+        return data;
+    }
+
+    public void setData(int data) {
+        this.data = data;
+    }
+
+    // 可以添加其他方法，比如打印省的信息等
+    @Override
+    public String toString() {
+        return "Province{" +
+                "name='" + name + '\'' +
+                ", data=" + data +
+                '}';
+    }
+
+    // 示例：打印省的信息
+    public void printInfo() {
+        System.out.println("Province Name: " + name + ", Data: " + data);
+    }
+
+}

src/后端/src/main/java/com/softegg/freetogo/HeatMap/controller/HeatMapController.java

@@ -1,4 +1,78 @@
 package com.softegg.freetogo.HeatMap.controller;
 
+import com.softegg.freetogo.Demand.bean.Demands;
+import com.softegg.freetogo.GuideService.bean.GuideService;
+import com.softegg.freetogo.HeatMap.bean.HeatMap;
+import com.softegg.freetogo.GuideService.service.GuideServiceService;
+import com.softegg.freetogo.GuideMatch.service.GuideMatchService;
+import com.softegg.freetogo.HeatMap.service.HeatMapService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+
+@RestController
+//@CrossOrigin(origins = "*")
+@RequestMapping("/HeatMap")
 public class HeatMapController {
+    @Autowired
+    GuideMatchService guideMatchService;
+    @Autowired
+    GuideServiceService guideServiceService;
+    @Autowired
+    HeatMapService heatMapService;
+
+
+    /**
+     * @description: 各省导游服务交互逻辑
+     * @param: map
+     * @return: java.lang.String
+     * @author: wuyifan
+     * @date: 2024/5/30 20:48
+     */
+    @GetMapping("guideServiceHeatMapRegister")
+    public List<HeatMap> GuideServiceHeatMapRegister() {
+        return heatMapService.provinceGuideServiceHeatMap();
+    }
+
+    /**
+     * @description: 各省游客需求交互逻辑
+     * @param: map
+     * @return: java.lang.String
+     * @author: wuyifan
+     * @date: 2024/5/30 20:48
+     */
+    @GetMapping("demandsHeatMapRegister")
+    public List<HeatMap> DemandsHeatMapRegister() {
+        return heatMapService.provinceDemandsHeatMap();
+    }
+
+    /**
+     * @description: 目标省份导游服务交互逻辑
+     * @param: map
+     * @return: java.lang.String
+     * @author: wuyifan
+     * @date: 2024/5/30 20:48
+     */
+    @PostMapping("demandsCityHeatMap")
+    public int[] DemandsProvinceHeatMap(@RequestBody Map<String, Object> map) {
+        String province = map.get("province").toString();
+        return heatMapService.cityDemandsHeatMap(province);
+    }
+
+        /**
+     * @description: 目标省份导游服务交互逻辑
+     * @param: map
+     * @return: java.lang.String
+     * @author: wuyifan
+     * @date: 2024/5/30 20:48
+     */
+    @PostMapping("guideServiceCityHeatMap")
+    public int[] GuideServiceProvinceHeatMap(@RequestBody Map<String, Object> map) {
+        String province = map.get("province").toString();
+        return heatMapService.cityGuideServiceHeatMap(province);
+    }
 }

src/后端/src/main/java/com/softegg/freetogo/HeatMap/service/HeatMapService.java

@@ -1,11 +1,15 @@
 package com.softegg.freetogo.HeatMap.service;
 
+import com.softegg.freetogo.HeatMap.bean.HeatMap;
+
+import java.util.List;
+
 public interface HeatMapService {
-    int[] provinceDemandsHeatMap();//获得每个省份的游客需求数目
+    List<HeatMap> provinceDemandsHeatMap();//获得每个省份的游客需求数目
 
     int[] cityDemandsHeatMap(String province);//获得目标省份的游客需求数目
 
-    int[] provinceGuideServiceHeatMap();
+    List<HeatMap> provinceGuideServiceHeatMap();//获得每个省份的导游服务数目
 
-    int[] cityGuideServiceHeatMap(String province);
+    int[] cityGuideServiceHeatMap(String province);//获得目标省份的游客服务数目
 }

src/后端/src/main/java/com/softegg/freetogo/HeatMap/service/HeatMapServiceImpl.java

@@ -5,6 +5,7 @@ import com.softegg.freetogo.Demand.service.DemandsService;
 import com.softegg.freetogo.GuideService.service.GuideServiceService;
 
 import com.softegg.freetogo.GuideService.bean.GuideService;
+import com.softegg.freetogo.HeatMap.bean.HeatMap;
 import org.json.simple.JSONObject;
 import org.json.simple.parser.JSONParser;
 import org.json.simple.parser.ParseException;
@@ -29,6 +30,8 @@ public class HeatMapServiceImpl implements HeatMapService {
     @Autowired
     GuideServiceService guideServiceService;
 
+
+
     public static void main(String[] args) {
         List<String> provinceList = new ArrayList<>();
         JSONParser parser = new JSONParser();
@@ -118,16 +121,14 @@ public class HeatMapServiceImpl implements HeatMapService {
      * @date: 2024/6/6 15:48
      */
     @Override
-    public int[] provinceDemandsHeatMap(){
+    public List<HeatMap> provinceDemandsHeatMap(){
         List<String> provinceList = getAllProvinces();
-        int[] sum = new int[provinceList.size()];
-        int i = 0;
+        List<HeatMap> dataList = new ArrayList<>();
         for (String province : provinceList) {
             List<Demands> demandsList = demandsService.getDemandsByProvince(province);
-            sum[i] = demandsList.size();
-            i++;
+            dataList.add(new HeatMap(province, demandsList.size()));
         }
-        return sum;
+        return dataList;
     }
 
     /**
@@ -158,16 +159,14 @@ public class HeatMapServiceImpl implements HeatMapService {
      * @date: 2024/6/6 15:48
      */
     @Override
-    public int[] provinceGuideServiceHeatMap(){
+    public List<HeatMap> provinceGuideServiceHeatMap(){
         List<String> provinceList = getAllProvinces();
-        int[] sum = new int[provinceList.size()];
-        int i = 0;
+        List<HeatMap> dataList = new ArrayList<>();
         for (String province : provinceList) {
             List<GuideService> guideServiceList = guideServiceService.getGuideServiceByProvince(province);
-            sum[i] = guideServiceList.size();
-            i++;
+            dataList.add(new HeatMap(province, guideServiceList.size()));
         }
-        return sum;
+        return dataList;
     }
 
     /**
@@ -189,4 +188,5 @@ public class HeatMapServiceImpl implements HeatMapService {
         }
         return sum;
     }
+
 }

src/后端/src/main/java/com/softegg/freetogo/Search/controller/SearchController.java

@@ -1,4 +1,120 @@
 package com.softegg.freetogo.Search.controller;
 
+import com.softegg.freetogo.Demand.bean.Demands;
+import com.softegg.freetogo.GuideService.bean.GuideService;
+import com.softegg.freetogo.GuideService.service.GuideServiceService;
+import com.softegg.freetogo.GuideMatch.service.GuideMatchService;
+import com.softegg.freetogo.User.bean.Users;
+import com.softegg.freetogo.User.service.UsersService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+import java.util.Map;
+
+/**
+ * @description:导游服务匹配前后端交互
+ * @author:wuyifan
+ * @date:2024/5/30 10:47
+ */
+@RestController
+//@CrossOrigin(origins = "*")
+@RequestMapping("/Search")
 public class SearchController {
+    @Autowired
+    GuideMatchService guideMatchService;
+    @Autowired
+    UsersService usersService;
+    @Autowired
+    GuideServiceService guideServiceService;
+
+    /**
+     * @description: 导游服务匹配的交互逻辑
+     * @param: map
+     * @return: java.lang.String
+     * @author: wuyifan
+     * @date: 2024/5/30 20:48
+     */
+    @GetMapping("register")
+    public List<Demands> GuideMatch(int gid) {
+        System.out.println("需匹配的gid:" + gid);
+        return guideMatchService.guideMatchAccount(gid);
+
+    }
+
+    /**
+     * @description: 申请匹配游客需求的交互逻辑
+     * @param: map
+     * @return: java.lang.int
+     * @author: wuyifan
+     * @date: 2024/6/11 10：12
+     */
+    @PostMapping("match")
+    public int Match(@RequestBody Map<String, Object> map) {
+        int gid = Integer.parseInt(map.get("gid").toString());
+        System.out.println("接收的gid:"+gid);
+        int did = Integer.parseInt(map.get("did").toString());
+        System.out.println("接收的did:"+did);
+        return guideMatchService.match(gid, did);
+    }
+
+
+    /**
+     * @description: 确定那些游客需求申请的交互逻辑
+     * @param: gid
+     * @return: java.lang.Demands
+     * @author: wuyifan
+     * @date: 2024/6/11 10：12
+     */
+    @GetMapping("confirmedPage")
+    public List<Demands> confirmedpage(int gid) {
+        System.out.println("接收的gid:"+gid);
+        return guideMatchService.confirmedPage(gid);
+    }
+
+    /**
+     * @description: 确定匹配导游服务的交互逻辑
+     * @param: map
+     * @return: java.lang.String
+     * @author: wuyifan
+     * @date: 2024/6/11 10：12
+     */
+    @PostMapping("confirmed")
+    public int confirmed(@RequestBody Map<String, Object> map) {
+        int gid = Integer.parseInt(map.get("gid").toString());
+        System.out.println("接收的did:"+gid);
+        int did = Integer.parseInt(map.get("did").toString());
+        System.out.println("接收的did:"+did);
+        return guideMatchService.confirmed(gid, did);
+    }
+
+    /**
+     * @description: 取消导游服务匹配结果的交互逻辑
+     * @param: map
+     * @return: java.lang.String
+     * @author: wuyifan
+     * @date: 2024/6/11 10：12
+     */
+    @PostMapping("refuse")
+    public int refuse(@RequestBody Map<String, Object> map) {
+        int gid = (int) map.get("gid");
+        System.out.println("接收的gid:"+gid);
+        return guideMatchService.refuse(gid);
+    }
+
+    /**
+     * @description: 表面删除导游服务的交互逻辑
+     * @param: map
+     * @return: java.lang.String
+     * @author: wuyifan
+     * @date: 2024/6/11 10：12
+     */
+    @PostMapping("delete")
+    public int delete(@RequestBody Map<String, Object> map) {
+        int gid = (int) map.get("gid");
+        System.out.println("接收的gid:"+gid);
+        return guideMatchService.delete(gid);
+    }
+
 }
+

src/后端/src/main/java/com/softegg/freetogo/Search/service/SearchService.java

@@ -1,4 +1,32 @@
 package com.softegg.freetogo.Search.service;
 
+
+import com.softegg.freetogo.Demand.bean.Demands;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+/**
+ * @description:抽象需求发送服务接口类
+ * @author:wuyifan
+ * @date:2024/5/28 19:45
+ */
+@Service
 public interface SearchService {
+
+    List<Demands> guideMatchAccount(int gid);
+
+    int match(int gid, int did);
+
+    List<Demands> confirmedPage(int gid);
+
+    int confirmed(int did, int gid);
+
+    int refuse(int gid);
+
+    int delete(int gid);
+
+    double timeScore(int gsum, String gddate, String gedate, int dsum, String dddate, String dedate);
+
+    double messageScore(String gmessage, String dmessage);
 }

src/后端/src/main/java/com/softegg/freetogo/Search/service/SearchServiceImpl.java

@@ -1,4 +1,384 @@
 package com.softegg.freetogo.Search.service;
+import com.softegg.freetogo.Demand.bean.Demands;
+import com.softegg.freetogo.GuideMatch.service.GuideMatchService;
+import com.softegg.freetogo.GuideService.bean.GuideService;
+import com.softegg.freetogo.Demand.service.DemandsService;
+import com.softegg.freetogo.User.service.UsersService;
+import com.softegg.freetogo.GuideService.service.GuideServiceService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
 
-public class SearchServiceImpl {
+import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
+import java.util.*;
+
+import static java.lang.Math.abs;
+
+/**
+ * description:导游服务匹配实现类
+ * @author:wuyifan
+ * date:2024/5/28  19:51
+ */
+@Component
+public class SearchServiceImpl implements SearchService {
+    @Autowired
+    DemandsService demandsService;
+    @Autowired
+    UsersService usersService;
+    @Autowired
+    GuideServiceService guideServiceService;
+
+    /**
+     * @description: 导游服务匹配实现函数，根据返回码进行操作
+     * @param: city
+     * @return: int
+     * author:  wuyifan
+     * @date: 2024/5/28 19:52
+     */
+    @Override
+    public List<Demands> guideMatchAccount(int gid){
+        GuideService guideService = guideServiceService.getGuideServiceById(gid);
+        int guideServiceSumDay = Integer.parseInt(guideService.getSumDay());
+        String guideServiceDepartureDate = guideService.getDepartureDate();
+        String guideServiceEndDate = guideService.getEndDate();
+        String guideServiceMessage = guideService.getMessage();
+        List<Demands> dlist = demandsService.getDemandsByCity(guideService.getCity());
+        // 使用迭代器的 remove 方法
+        dlist.removeIf(demand -> demand.getStatus() > 1);
+        int length = dlist.size();
+        double[] sumScores = new double[length];
+        int i = 0;
+        for (Demands demands : dlist) {
+            double sumScore = 0;
+            int demandsSumDay = Integer.parseInt(demands.getSumDay());
+            String demandsDepartureDate = demands.getDepartureDate();
+            String demandsEndDate = demands.getEndDate();
+            String demandsMessage = demands.getMessage();
+            double timeScore = timeScore(guideServiceSumDay,guideServiceDepartureDate,guideServiceEndDate,demandsSumDay,demandsDepartureDate,demandsEndDate);
+            double messageScore = messageScore(guideServiceMessage, demandsMessage);
+            sumScore += timeScore + messageScore;
+            sumScores[i] = sumScore;
+            i++;
+        }
+        // 创建一个包含索引和值的列表
+        List<Map.Entry<Double, Demands>> list = new ArrayList<>();
+        for (int j = 0; j < sumScores.length; j++) {
+            list.add(new AbstractMap.SimpleEntry<>(sumScores[j], dlist.get(j)));
+        }
+        // 根据sumScores的元素大小对 list 进行排序
+        list.sort((o1, o2) -> o2.getKey().compareTo(o1.getKey()));
+        List<Demands> newdList = new ArrayList<>();
+        for (Map.Entry<Double, Demands> entry : list) {
+            newdList.add(entry.getValue());
+        }
+        return newdList;
+    }
+
+    /**
+     * @description: 申请匹配游客需求实现函数，游客向导游申请
+     * @param: did,gid
+     * @return: int
+     * author:  wuyifan
+     * @date: 2024/5/28 19:52
+     */
+
+    @Override
+    public int match(int gid, int did){
+        Demands demand = demandsService.getDemandById(did);
+        GuideService guideService = guideServiceService.getGuideServiceById(gid);
+        demand.setStatus(1);
+        List<Integer> guideServiceIdList = demand.getGuideServiceIdList();
+        if (guideServiceIdList == null) {
+            guideServiceIdList = new ArrayList<>();
+        }
+        if(!guideServiceIdList.contains(gid)){
+            guideServiceIdList.add(gid);
+        }
+        demand.setGuideServiceIdList(guideServiceIdList);
+//        List<Integer> demandIdList = guideService.getDemandIdList();
+//        if (demandIdList == null) {
+//            demandIdList = new ArrayList<>();
+//        }
+//        demandIdList.add(did);
+//        guideService.setDemandIdList(demandIdList);
+        demandsService.update(demand);
+        guideServiceService.update(guideService);
+        System.out.println(demand.getGuideServiceIdList());
+        return 1006;
+    }
+
+    /**
+     * @description: 确定导游服务申请列表实现函数，根据返回码进行操作
+     * @param: did,gid
+     * @return: int
+     * author:  wuyifan
+     * @date: 2024/5/28 19:52
+     */
+    @Override
+    public List<Demands> confirmedPage(int gid){
+        GuideService guideService = guideServiceService.getGuideServiceById(gid);
+        List<Integer> demandIdList = guideService.getDemandIdList();
+        List<Demands> demandsList = new ArrayList<>();
+        for(int number : demandIdList) {
+            Demands demand = demandsService.getDemandById(number);
+            demandsList.add(demand);
+        }
+        return demandsList;
+    }
+
+    /**
+     * @description: 确定匹配导游服务匹配实现函数，根据返回码进行操作
+     * @param: did,gid
+     * @return: int
+     * author:  wuyifan
+     * @date: 2024/5/28 19:52
+     */
+    @Override
+    public int confirmed(int gid, int did){
+        Demands demand = demandsService.getDemandById(did);
+        GuideService guideService = guideServiceService.getGuideServiceById(gid);
+        demand.setStatus(2);
+        demand.setGuideServiceId(gid);
+        guideService.setStatus(2);
+        guideService.setDemandId(did);
+        demandsService.update(demand);
+        guideServiceService.update(guideService);
+        return 1007;
+    }
+
+    /**
+     * @description: 取消导游服务实现函数，根据返回码进行操作
+     * @param: did,gid
+     * @return: int
+     * author:  wuyifan
+     * @date: 2024/5/28 19:52
+     */
+    @Override
+    public int refuse(int gid){
+        GuideService guideService = guideServiceService.getGuideServiceById(gid);
+        int did = guideService.getDemandId();
+        Demands demand = demandsService.getDemandById(gid);
+        List<Integer> demandIdList = guideService.getDemandIdList();
+        if (demandIdList == null) {
+            guideService.setStatus(0);
+        }else {
+            guideService.setStatus(1);
+        }
+        List<Integer> guideServiceIdList = demand.getGuideServiceIdList();
+        if(guideServiceIdList == null){
+            demand.setStatus(0);
+        }else {
+            demand.setStatus(1);
+        }
+        guideService.setDemandId(null);
+        demand.setGuideServiceId(null);
+        demandsService.update(demand);
+        guideServiceService.update(guideService);
+        return 1;
+    }
+
+    @Override
+    public int delete(int gid){
+        GuideService guideService = guideServiceService.getGuideServiceById(gid);
+        guideService.setStatus(4);
+        guideServiceService.update(guideService);
+        return 1;
+    }
+
+    public static boolean isRangeWithinRange(LocalDate startDate1, LocalDate endDate1, LocalDate startDate2, LocalDate endDate2) {
+        return !startDate1.isBefore(startDate2) && !endDate1.isAfter(endDate2);
+    }
+
+    /**
+     * @description: 时间匹配分数
+     * @param: gsum、dsum、ddate、edate
+     * @return: float
+     * @author: wuyifan
+     * @date: 2024/5/28 20:35
+     */
+    @Override
+    public double timeScore(int gsum, String gddate, String gedate, int dsum, String dddate, String dedate){
+        double score = 0;
+        int difference = gsum - dsum;
+        if (abs(difference) < 15 ){
+            score += 10 / (float)(abs(difference) + 1);
+        }
+
+        // 使用DateTimeFormatter将字符串转换为LocalDate对象
+        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd");
+        LocalDate startDate1 = LocalDate.parse(dddate, formatter);
+        LocalDate endDate1 = LocalDate.parse(dedate, formatter);
+        System.out.println(startDate1);
+        System.out.println(endDate1);
+
+        LocalDate startDate2 = LocalDate.parse(gddate, formatter);
+        LocalDate endDate2 = LocalDate.parse(gedate, formatter);
+        System.out.println(startDate2);
+        System.out.println(endDate2);
+
+        // 判断第一个范围是否在第二个范围内
+        boolean isRange1WithinRange2 = isRangeWithinRange(startDate1, endDate1, startDate2, endDate2);
+
+        if (isRange1WithinRange2){
+            score += 100;
+        }
+        return score;
+    }
+
+    /**
+     * @description: Jaccard相似度算法
+     * @param: String
+     * @return: float
+     * @author: wuyifan
+     * @date: 2024/5/30 20:35
+     */
+    public static double jaccardSimilarity(String s1, String s2) {
+        if (s1 == null || s2 == null || s1.isEmpty() || s2.isEmpty()) {
+            return 0.0; // 如果任何一个字符串为空，直接返回0
+        }
+
+        Set<Character> set1 = new HashSet<>();
+        Set<Character> set2 = new HashSet<>();
+
+        for (char c : s1.toCharArray()) {
+            set1.add(c);
+        }
+
+        for (char c : s2.toCharArray()) {
+            set2.add(c);
+        }
+
+        Set<Character> intersection = new HashSet<>(set1);
+        intersection.retainAll(set2);
+
+        Set<Character> union = new HashSet<>(set1);
+        union.addAll(set2);
+
+        return (double) intersection.size() / union.size();
+    }
+
+    /**
+     * @description: 余弦相似度算法
+     * @param: String
+     * @return: float
+     * @author: wuyifan
+     * @date: 2024/5/30 20:35
+     */
+
+    private static Map<Character, Integer> getCharacterFrequency(String s) {
+        Map<Character, Integer> frequencyMap = new HashMap<>();
+        for (char c : s.toCharArray()) {
+            frequencyMap.put(c, frequencyMap.getOrDefault(c, 0) + 1);
+        }
+        return frequencyMap;
+    }
+
+    public static double cosineSimilarity(String s1, String s2) {
+        if (s1 == null || s2 == null || s1.isEmpty() || s2.isEmpty()) {
+            return 0.0; // 如果任何一个字符串为空，直接返回0
+        }
+        Map<Character, Integer> freq1 = getCharacterFrequency(s1);
+        Map<Character, Integer> freq2 = getCharacterFrequency(s2);
+
+        double dotProduct = 0.0;
+        double mag1 = 0.0;
+        double mag2 = 0.0;
+
+        for (char c : freq1.keySet()) {
+            if (freq2.containsKey(c)) {
+                dotProduct += freq1.get(c) * freq2.get(c);
+            }
+            mag1 += Math.pow(freq1.get(c), 2);
+        }
+
+        for (char c : freq2.keySet()) {
+            mag2 += Math.pow(freq2.get(c), 2);
+        }
+
+        mag1 = Math.sqrt(mag1);
+        mag2 = Math.sqrt(mag2);
+
+        return dotProduct / (mag1 * mag2);
+    }
+
+    /**
+     * @description:  Dice系数算法
+     * @param: String
+     * @return: float
+     * @author: wuyifan
+     * @date: 2024/5/30 20:25
+     */
+    public static double diceCoefficient(String s1, String s2) {
+        if (s1 == null || s2 == null || s1.isEmpty() || s2.isEmpty()) {
+            return 0.0; // 如果任何一个字符串为空，直接返回0
+        }
+
+        int intersection = 0;
+
+        for (int i = 0; i < s1.length() - 1; i++) {
+            String bigram = s1.substring(i, i + 2);
+            if (s2.contains(bigram)) {
+                intersection++;
+            }
+        }
+
+        int union = s1.length() + s2.length() - intersection;
+
+        return (double) (2 * intersection) / union;
+    }
+
+    /**
+     * @description:  N-gram 模型算法
+     * @param: String
+     * @return: float
+     * @author: wuyifan
+     * @date: 2024/5/30 20:22
+     */
+    private static Set<String> generateNGrams(String s, int n) {
+        if (s == null || s.length() < n || n <= 0) {
+            throw new IllegalArgumentException("Invalid input string or n-gram size");
+        }
+
+
+        Set<String> nGrams = new HashSet<>();
+        for (int i = 0; i <= s.length() - n; i++) {
+            nGrams.add(s.substring(i, i + n));
+        }
+        return nGrams;
+    }
+
+    public static double bigramSimilarity(String s1, String s2) {
+        if (s1 == null || s2 == null || s1.isEmpty() || s2.isEmpty()) {
+            return 0.0; // 如果任何一个字符串为空，直接返回0
+        }
+
+        Set<String> bigrams1 = generateNGrams(s1, 2);
+        Set<String> bigrams2 = generateNGrams(s2, 2);
+
+        Set<String> commonBigrams = new HashSet<>(bigrams1);
+        commonBigrams.retainAll(bigrams2);
+
+        Set<String> allBigrams = new HashSet<>(bigrams1);
+        allBigrams.addAll(bigrams2);
+
+        return (double) commonBigrams.size() / allBigrams.size();
+    }
+
+    /**
+     * @description: 备注匹配分数
+     * @param: gmessage、dmessage
+     * @return: float
+     * @author: wuyifan
+     * @date: 2024/5/28 20:35
+     */
+    @Override
+    public double messageScore(String gmessage, String dmessage){
+        double score;
+        double similarity1 = jaccardSimilarity(gmessage, dmessage);
+        double similarity2 = cosineSimilarity(gmessage, dmessage);
+        double similarity3 = diceCoefficient(gmessage, dmessage);
+        double similarity4 = bigramSimilarity(gmessage, dmessage);
+        score = similarity1 + similarity2 + similarity3 + similarity4;
+        return score;
+    }
 }